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Cheap flights from Washington, D.C. to Knock from €635

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 30/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Washington, D.C. to Knock (WAS-NOC)

Cheap return flights

Logo
17:00 - 16:25IAD-NOC
18h 25m3 stops
Logo
09:10 - 15:20NOC-IAD
35h 10m3 stops
€635
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Logo
15:25 - 13:30IAD-NOC
17h 05m2 stops
Logo
09:10 - 15:20NOC-IAD
35h 10m3 stops
€703
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Logo
17:50 - 12:35IAD-NOC
13h 45m1 stop
Logo
09:10 - 15:20NOC-IAD
35h 10m3 stops
€770
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Logo
17:50 - 12:35IAD-NOC
13h 45m1 stop
Logo
13:05 - 20:15NOC-IAD
12h 10m1 stop
€816
Find Deal
Tue, 30 Sep - Tue, 7 Oct
British Airways Logo
17:50 - 12:35IAD-NOC
13h 45m1 stop
British Airways Logo
13:05 - 15:00NOC-IAD
30h 55m2 stops
€847British Airways
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Tue, 30 Sep - Tue, 7 Oct
British Airways Logo
19:25 - 12:35IAD-NOC
12h 10m1 stop
British Airways Logo
13:00 - 17:30NOC-IAD
32h 30m2 stops
€928British Airways
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Thu, 23 Oct - Mon, 27 Oct
British Airways Logo
13:09 - 12:35IAD-NOC
18h 26m2 stops
British Airways Logo
13:00 - 17:30NOC-IAD
32h 30m2 stops
€933British Airways
Find Deal
Thu, 23 Oct - Mon, 27 Oct
British Airways Logo
19:25 - 12:35IAD-NOC
12h 10m1 stop
British Airways Logo
13:00 - 20:55NOC-IAD
11h 55m1 stop
€985British Airways
Find Deal
Fri, 24 Oct - Mon, 27 Oct
British Airways Logo
19:25 - 12:35IAD-NOC
12h 10m1 stop
British Airways Logo
13:00 - 20:55NOC-IAD
11h 55m1 stop
€1,529British Airways
Find Deal
Thu, 23 Oct - Mon, 27 Oct

British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
30 Sept
IAD17:50Washington, D.C. Dulles Intl
13h 45m
1 stop
NOC12:35Knock Intl
7 Oct
NOC13:05Knock Intl
30h 55m
2 stops
IAD15:00Washington, D.C. Dulles Intl
€847
Find similar
British Airways
23 Oct
IAD19:25Washington, D.C. Dulles Intl
12h 10m
1 stop
NOC12:35Knock Intl
27 Oct
NOC13:00Knock Intl
32h 30m
2 stops
IAD17:30Washington, D.C. Dulles Intl
€928
Find similar
British Airways
23 Oct
IAD13:09Washington, D.C. Dulles Intl
18h 26m
2 stops
NOC12:35Knock Intl
27 Oct
NOC13:00Knock Intl
32h 30m
2 stops
IAD17:30Washington, D.C. Dulles Intl
€933
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 16 August 2025.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 30/9

17:00-16:25

3 stops18h 25m

Knock Intl

Tue 7/10

09:10-15:20

3 stops35h 10m

€635

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 30/9

15:25-13:30

2 stops17h 05m

Knock Intl

Tue 7/10

09:10-15:20

3 stops35h 10m

€703

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 30/9

17:50-12:35

1 stop13h 45m

Knock Intl

Tue 7/10

09:10-15:20

3 stops35h 10m

€770

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 30/9

17:50-12:35

1 stop13h 45m

Knock Intl

Tue 7/10

13:05-20:15

1 stop12h 10m

€816

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 30/9

17:50-12:35

1 stop13h 45m

Knock Intl

Tue 7/10

13:05-15:00

2 stops30h 55m

€847

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 23/10

19:25-12:35

1 stop12h 10m

Knock Intl

Mon 27/10

13:00-17:30

2 stops32h 30m

€928

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 23/10

13:09-12:35

2 stops18h 26m

Knock Intl

Mon 27/10

13:00-17:30

2 stops32h 30m

€933

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 24/10

19:25-12:35

1 stop12h 10m

Knock Intl

Mon 27/10

13:00-20:55

1 stop11h 55m

€985

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 23/10

19:25-12:35

1 stop12h 10m

Knock Intl

Mon 27/10

13:00-20:55

1 stop11h 55m

€1,529

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 10h 25m to fly from Washington, D.C. to Knock if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of Baltimore and into Shannon, Clare, then the flight time is around 15h 10m.

When to book flights from Washington, D.C. to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Knock

Best price found

€635

Fastest flight time

12h 10m

Direct flights

None

Airports in Knock

1 airport
The best flight deal from Washington, D.C. to Knock found on momondo in the last 72 hours is €635
The fastest flight from Washington, D.C. to Knock takes 12h 10m
There are no direct flights from Washington, D.C. to Knock. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Knock Intl Airport.
There is 1 airport near Knock: Knock Intl (NOC)
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  • How far is Washington, D.C. to Knock Intl by plane?

    Washington, D.C. and Knock Intl are 5256.3 km apart from one another. Typically, this will take 12h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Knock Intl Airport?

    Prices for flights from Washington, D.C. to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet
Newport

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

Price alerts on flights to Knock from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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